<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .nav{
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            height: 60px;
            background-color: rgb(169, 203, 233);
            box-sizing: 0 2px 4px #8f6f6f;
            
        }
        .links{
            display: flex;
            gap: 20px;
        }
        a {
            padding: 10px;
        }
        .links a:first-child{
            padding-left: 0;
        }
    </style>
</head>
<body>
    <nav class="nav">
        <div class="logo">logo</div>
        <div class="links">
            <a href="#">首页</a>
            <a href="#">产品</a>
            <a href="#">关于</a>
        </div>
        <div class="btn">登录</div>
    </nav>
</body>
</html>